Mass Transfer When the temperature and humidity of air is low, we usually use __________ draft cooling tower. Forced None of these Natural Induced Forced None of these Natural Induced ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas Recovery of valuable solvent vapors from dilute mixture with air and other gases Decolouration of yellow glycerene Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas Recovery of valuable solvent vapors from dilute mixture with air and other gases Decolouration of yellow glycerene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Dependent on the system; can be either lower or higher than Same as Always lower than Always higher than Dependent on the system; can be either lower or higher than Same as Always lower than Always higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and Humidified at constant wet bulb temperature None of these Humidified with wet bulb temperature decreasing Dehumidified Humidified at constant wet bulb temperature None of these Humidified with wet bulb temperature decreasing Dehumidified ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For continuous drying of grannular or crystalline material, the dryer used is the __________ dryer. Tray None of these Tunnel Rotary Tray None of these Tunnel Rotary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raf-finate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg) 8.89 8.25 6.89 10 8.89 8.25 6.89 10 ANSWER DOWNLOAD EXAMIANS APP
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